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Finding the Fourth Proportional to 43,392.76, 65,129.24 and 26,785.24

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Solution

The fourth proportional to 43,392.76, 65,129.24 and 26,785.24 is: 40,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.76 : 65,129.24 = 26,785.24 : x
  2. Step 2: Convert to fraction form
    43,392.76/65,129.24 = 26,785.24/x
  3. Step 3: Cross multiply
    43,392.76x = 65,129.24 × 26,785.24
  4. Step 4: Simplify right side
    43,392.76x = 1,744,502,228.56
  5. Step 5: Solve for x
    x = 1,744,502,228.56/43,392.76
  6. Step 6: Final answer
    x = 40,202.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.